Hello,

I need some help. I have a transition issue between floors that I need help with. I am redoing the floor in my TV room and a playroom that extends out from one end of the TV room. The TV room has hardwood flooring and is at grade level. The playroom actually used to be a porch, but the prior owners had it closed up, set up with HVAC, etc., but the subfloor in there is concrete slab. It currently has carpet.

I would like to put hardwood in the playroom, but in order to do so, I am going to have to create a new subfloor - probably using some sleepers, some rigid foam insulation in between the sleepers to warm things up, and then some 3/4 ply on top. Then the hardwood on top of that.

The issue is that this is going to of course raise the finished floor level in the playroom. If I use 2x4 for the sleepers turned sideways, I am looking at 1 1/2" + 3/4" for the ply + 3/4" for the hardwood, or 3" total. Even subtracting the current carpet and carpet pad height of 3/4", that still leaves me with about a 2 1/4" height transition between the rooms. A real toe stubber and larger than a traditional threshold or reducer is of course meant for.

So, I am wondering if making a small 'ramp' transition between the two rooms is the way to go vs. creating a small step up with a stairnose. If so, how would one build such a ramp properly? Other suggestions welcome!

My thoughts on the matter are a 2" step is a trip hazard waiting to happen. You can get a ramp milled for you at a local place in most cases.

take a 5 or 6 inch wide board for the transition ( you will need to rip it down to the width of the doorway, but without knowing the angle I cant say how wide to rip it, standar doorways are 4.5 inches, but if you ramp it up it may need to be closer to 6 inches.) put it where it should go (in the doorway or whatnot) cut eack side of the plank at 10-15 degree angle inward (it may wind up being more to accomidate the hieght) \_/ you can then route a grove in each side and lock both sides of the floor into it.
We usually run a strip of wood along the higher part to brace it we cut the top of the board to match the angle of incline for support. The front lower part we shoot a couple face nails on a 45 through the grove, glue the front and back of the board to everything, the subfloor, and a little yellow glue in the t&g.
If you are sanding the floor just go up to it with the edger and palmsand the threshold smooth.
If its prefinished a quick run of the round part on a chisel will make a decent micro beveld edge.

we have done several of these to go up to tile with heated bases and thick tile, I think the highest we went was 2 inches

I only have pictures of a small one we did was just under 3/4 higher, with a 5 inch oskkosh piece. The wider the board, the smoother the transition.

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